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Topic: Need help identifying this part

in Forum: C3 Fuel, Emission Control, and Exhaust Systems

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Need help identifying this part (1/7)
11/7/15 6:06pm

7NT1
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Joined: 11/6/2013
Posts: 12

Hello Folks......I'm rebuilding a 1971 350/270HP and need some help identifying the yellow circled part. What is this line called and what is it plugged into at the end of the black hose? I'm having trouble finding a good source of info for vacuum/vapor lines. This was a basket case restoration, so I really couldn't take pics before disassembly.

Thanks for the assistance!!

|UPDATED|11/7/2015 3:06:06 PM (AZT)|/UPDATED|

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Re: Need help identifying this part (2/7)
11/7/15 7:35pm

jim in oregon
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Milwaukie, OR - USA

Vette(s):
'78 Silver Anniversary T Top coupe,58k orig miles. THM350 auto, 350 L48, JBM headers,Oyster White interior,.as of Nov '15 in process of painting.

Joined: 10/19/2015
Posts: 71

That's a pretty common spring steel clamp for the fuel line incoming to carburetor..most auto parts stores should have them..just need the OD of the hose when slipped onto the metal fuel line..

Unless you are trying to stay original, a properly sized worm driven steel hose clamp should do just fine..Jim

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Re: Need help identifying this part (3/7)
11/7/15 7:42pm

7NT1
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Joined: 11/6/2013
Posts: 12

Thanks Jim for the response, but I the entire line (probably needed to make the yellow circle bigger or egg shaped). I need to find out where to terminate the other end of the rubber hose that's stuck onto the metal line. What is the purpose of this line? Is it a vent; if so, where is it plugged into at the non-viewable end.

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Re: Need help identifying this part (4/7)
11/7/15 8:03pm

dwa175
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leesburg, FL - USA

Vette(s):
1979 coupe and now 2007 c-6

Joined: 7/19/2014
Posts: 195

I hope someone tells him that's the gas line. dwa

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Re: Need help identifying this part (5/7)
11/7/15 10:33pm

7NT1
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Joined: 11/6/2013
Posts: 12

Sorry dwa; the gas line is on front of the carb. It's a hard line directly to the fuel pump and runs into the filter located on the carb front. The line I'm talking abut is on the lower backside of the carb.

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Re: Need help identifying this part (6/7)
11/7/15 10:37pm

Adams' Apple

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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

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Posts: 20128

That line goes to the brake booster.There will be a one way check valve on the end of the rubber line that plugs into a rubber grommet in the booster. It provides the vacuum to operate the booster on power brakes.

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Joel Adams
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Re: Need help identifying this part (7/7)
11/7/15 11:18pm

7NT1
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Joined: 11/6/2013
Posts: 12

Ahhhhh; thanks very much Joel. That's what I needed!

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